Definition: diminish in size or intensity
Similar words: disappear, vanish, go away
Definition: get lost, as without warning or explanation
Usage: He disappeared without a trace
Synonyms: fall off, sink, slump
Definition: fall heavily or suddenly; decline markedly
Usage: The real estate market fell off
Synonyms: fall off
Definition: come off
Usage: This button had fallen off
Similar words: come away, come off, detach
Definition: come to be detached
Usage: His retina detached and he had to be rushed into surgery